Engine Coolant
The cooling system in the vehicle for all engines and the intercooler is filled with DEX-COOL®. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating.
See also:
Navigation
OnStar navigation requires the
Directions and Connections
service plan.
Push to receive directions or
have them sent to the vehicle
navigation screen. Destinations
can also be forwarded to ...
TEHAMA™ Leather
The leather surface on the seat was not designed to be aggressively cleaned using
any commercial product. Use a well wrung cloth dampened with water to remove dust.
Do not use a wet cloth or satur ...
Interior
The DTS can hold either five or six occupants, with a choice of front bucket
seats or a front bench. Compared with the DeVille, the instrument panel has been
lowered and moved forward. A new analo ...